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A certain quantity of a gas occupies 100...

A certain quantity of a gas occupies 100ml when collected over water at 15°C and 750mm pressure. If it occupies 91.9ml in dry state at STP, the vapour pressure of water at 15°C is

A

12.8mm

B

14.8mm

C

13.2mm

D

13.7mm

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STATES OF MATTER-OBJECTIVE EXERCISE -2
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  2. Pressure exerted by 2 grams of helium present in a vessel is 1.5 atm. ...

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  3. A certain quantity of a gas occupies 100ml when collected over water a...

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  4. A sample of air contains Nitrogen, Oxygen and saturated with water vap...

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  5. The average kinetic energies of helium (mol.wt.4), methane (mol.wt.16)...

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  6. The temperature at which Methane molecules have the same average Kinet...

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  7. The kinetic energy of 1 mole of oxygen molecules in cal mol^(-1) at 2...

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  8. The average K.E. of an ideal gas per molecule in SI units at 25^@ C is

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  9. The kinetic energy of 'N' molecules of H(2) is 3J at -73°C. The kinet...

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  10. SO(2) , molecule is twice as heavy as O(2) molecule. Hence at 25°C th...

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  11. The ratio of the kinetic energies of equal number of moles of H(2) an...

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  12. A cubical vessel has a side with ‘l’ cm length contained a gas at a pr...

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  13. Calculate the kinetic energy of 5 moles of O2 at 37^@ C.

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  14. The rms velocity of CO(2) at a temperature, T (in kelvin) is x eras^(1...

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  15. When the temperature of a gas is raised from 27^@C to 927^@C, its RMS ...

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  16. RMS velocity of a gas at a given temperature is how much factor higher...

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  17. At a given temperature the ratio of RMS and average velocities is

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  18. If a gas contains only three molecules that move with velocities of 1...

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  19. The rms velocity of hydrogen is sqrt(7) times to that of nitrogen. If...

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  20. The RMS velocity of a gas at 0°C is 2m/s. The RMS velocity of the same...

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